Finding the Fourth Proportional to 2,077.56, 3,118.29 and 1,384.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.56 : 3,118.29 = 1,384.71 : x
2. Step 2: Convert to fraction form
   2,077.56/3,118.29 = 1,384.71/x
3. Step 3: Cross multiply
   2,077.56x = 3,118.29 × 1,384.71
4. Step 4: Simplify right side
   2,077.56x = 4,317,927.35
5. Step 5: Solve for x
   x = 4,317,927.35/2,077.56
6. Step 6: Final answer
   x = 2,078.36